@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --text: #1c2333;
    --subtle: #667085;
    --accent: #635bff;
    --bg: #f5f4ff;
    --card: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
}

a {
    text-decoration: none;
    color: var(--accent);
}

header {
    padding: 32px 5vw;
    background: var(--card);
    border-bottom: 1px solid rgba(99, 91, 255, 0.1);
}

.site-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.site-nav a.logo {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--text);
}

.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 5vw 24px;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

.hero p {
    color: var(--subtle);
    font-size: 1.1rem;
    max-width: 720px;
}

.articles {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 5vw 80px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.article-card {
    background: var(--card);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid rgba(28, 35, 51, 0.08);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(15, 20, 58, 0.1);
}

.article-meta {
    font-size: 0.9rem;
    color: var(--subtle);
    margin-bottom: 16px;
}

.article-card h2 {
    font-size: 1.3rem;
    margin: 0 0 12px;
    color: var(--text);
}

.article-card p {
    margin: 0 0 16px;
    color: var(--subtle);
}

.article-card span {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
}

.article-layout {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 5vw 120px;
    background: var(--card);
}

.breadcrumbs {
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.post-header h1 {
    margin: 12px 0;
    font-size: clamp(2rem, 4vw, 3rem);
}

.post-meta {
    color: var(--subtle);
    font-size: 0.95rem;
}

.post-content {
    margin-top: 32px;
    line-height: 1.7;
    color: var(--text);
}

.post-content h2 {
    margin-top: 32px;
    margin-bottom: 12px;
    font-size: 1.6rem;
}

.post-content h3 {
    margin-top: 24px;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.insight {
    padding: 16px 20px;
    background: rgba(99, 91, 255, 0.08);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    margin: 20px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    border: 1px solid rgba(28, 35, 51, 0.1);
    padding: 12px 16px;
    text-align: left;
}

.comparison-table th {
    background: rgba(99, 91, 255, 0.08);
}

.post-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(28, 35, 51, 0.08);
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
}

.tag {
    background: rgba(99, 91, 255, 0.1);
    color: var(--accent);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    header {
        padding: 24px;
    }

    .article-card {
        padding: 20px;
    }

    .article-layout {
        padding: 32px 24px 80px;
    }
}